Home / 886,491.25-1,329,736.88-221,643.25

Finding the Fourth Proportional to 886,491.25, 1,329,736.88 and 221,643.25

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Solution

The fourth proportional to 886,491.25, 1,329,736.88 and 221,643.25 is: 332,464.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,491.25 : 1,329,736.88 = 221,643.25 : x
  2. Step 2: Convert to fraction form
    886,491.25/1,329,736.88 = 221,643.25/x
  3. Step 3: Cross multiply
    886,491.25x = 1,329,736.88 × 221,643.25
  4. Step 4: Simplify right side
    886,491.25x = 294,727,203,728.06
  5. Step 5: Solve for x
    x = 294,727,203,728.06/886,491.25
  6. Step 6: Final answer
    x = 332,464.88

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.